jabrena/plinth · skills/303-frameworks-spring-boot-validation/SKILL.md

303-frameworks-spring-boot-validation skillA

303-frameworks-spring-boot-validation is agent-read markdown (skill) from jabrena/plinth: Use when you need to design, review, or improve validation in Spring Boot applications — including Bean Validation on request DTOs, @Valid/@Validated at API boundaries, constraint groups, custom constraints, @ConfigurationProperties validation, nested DTO validation, and consistent validation error handling. This should trigger for requests such as Add validation support in Spring Boot; Review Spring Boot validation rules; Improve request validation in Spring Boot REST APIs; Add custom Bean Vali.

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add jabrena/plinth/303-frameworks-spring-boot-validation@v0.18.0
Exact content
mdr add jabrena/plinth/303-frameworks-spring-boot-validation@sha256:a07e14b8ff6d4005

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_7j6ysguityssamc5.svg)](https://markdownregistry.com/a/art_7j6ysguityssamc5)

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Versions

versioncommittedcommitsizeaudit
v0.18.0 latest2026-08-01 26b0e71 2,804 BA view · diff
v0.17.02026-07-10 aaee915 2,804 BA view · diff
v0.16.02026-06-15 b73c9d3 2,815 BA view · diff
v0.15.02026-05-29 a800339 2,815 BA view · diff
v0.15.0-SNAPSHOT2026-04-26 899d988 2,824 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (2804 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

jabrena/plinth · 440 stars · license Apache-2.0 · pushed 2026-09-16 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_7j6ysguityssamc5
GET https://markdownregistry.com/api/v1/resolve?ref=jabrena/plinth/303-frameworks-spring-boot-validation
GET https://markdownregistry.com/api/v1/blob/a07e14b8ff6d400534879088138b8b95893cb26a2b1ee50d17bed9ed544f804b

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.